O&B |
PHOTO ENGINEERING |
PULSAR II |
| Obeki | PHYSIO-CONTROL | PUR |
| OBSERMET | PHYWE | PURUP |
| OFFICINE GALILEO | PIBERNAT | PWM AMPLIFIER |
| OHJAUSKORTTI | PICE | PYCE |
| OHMEDA | PILLER | Q.A. |
| OIS KONTRON | PILZ | QTRONIX |
| OKIDATA | PiM SAFMATIC | QUANTUM |
| OLBA | PINACHO | R.O.C. |
| OLIVETTI | PINOCHO | R.T.A.92 |
| Olmatic | PIONEER MAGNETICS | R/B |
| OLYMPEX | PIOVAN | RACKLINE |
| OMNI VISION | PIZZARDI | RADIOBIP |
| OMRON | PLANAR SYSTEMS | RADIODETECTION |
| OMT INC. | PLANETA MAQUINA | RAFI |
| ONA ELECTROEROSION | plasmir | RAM MOTORS & CONTROLS |
| ONA PRES | PLATINE EMB/FREIN | RAMSEY |
| ONDYNE | PLES | RARIPACK |
| ONON | PM | RB |
| OPTICAL RADIATION CORPORATION | POLI | RCA |
| OPTILAS | POLI ATT1A | RE |
| OPTIMATIC MEC 30 | POLIMETRON | RE ELETTRONICA INDUSTRIALE |
| OPTIMUS | POLYAMP | RECTICUR |
| OPTO 22 | POLYDROPSA | RECTIVAR |
| ORTRAT | POLYMETRON | RECTIVAR TELEMECANIQUE |
| ORYX POWER | POLYSPEDE ELECTRONICS CORP. | REDYSA |
| OSAI | Pontavi | REGISTRON |
| OTAPS | Portas | REGLOPLAS |
| OYSTER TERMINALS | POW | REGOLAZIONI ELECTTRONICHE |
| P&F | POWER CONTROL SYSTEMS | REGULADOR |
| P.C.BOARD | POWER LAB | REI ELECTRIC |
| P.I.LLANOS | POWER MATE | REIGN POWER |
| PACIFIC SCIENTIFIC | POWER ONE | REISHAUER |
| PAHNKE | POWER SUPPLY | RELIANCE Electric |
| PALSIS | Power Trade | REMOTITUS |
| PANALARM | POWER VECTOR | REO |
| PANAMETRICS | POWERBOX | REP |
| PANASONIC | POWERLAB | rep v37 |
| PANDJIRIS | POWERLINE ELEC. | RETSCH |
| Panhans | POWERSEM | REXROTH |
| PANTEC | POWERWARE | RFA-01 |
| PARKER | PPE Videotechnik | RFL |
| PARTICO | PRAXAIR | RFT |
| PASABAN | PRECISE | RHEONIX |
| PASCO SCIENTIFIC | PRECITEC | RIKA/B |
| PBI | PREDICTDLI | RIKADENKI KOGYO |
| PC | PREDYCSA | RL 708 V |
| PC-LABCARD | PREMIUM | RMH CONTROLS |
| PEA | premiun | ROBINSON INSTRUMENTS |
| PEE | PRESENTCO | ROCKWELL |
| PEES ELEKTRONIK | preusag AG Minimax | ROHDE & SCHWARZ MšNCHEN |
| PEI | PRO | ROHRER |
| PELLERIN MILNOR | PRODRILL | ROS ROCA |
| PEP | PROGELTA | ROSEMOUNT |
| Pepperl+Fuchs | PROGRAMMA | ROTABROACH |
| PERGAMON | PROGRES | ROTATEK S.A. |
| PerkinElmer | proinyec | ROTHSCHILD |
| PERLE | PROMAX | ROVER |
| PERMETA EL-PRINT | PROMIG | ROWAN ELETTRONICA |
| PESA | PROP.VERSTARKER | ROYAL Information Electronic |
| PETER PELWECK | PROPAC | RSA |
| PGM | PROSEAT | RSB |
| PHENIX TECHNOLOGIES | PROTECH | RSF ELEKTRONIK |
| PHIHONG | pro-tel-sur | RTX MAPOS |
| PHILIPS | PROTEQ | RUFF |
| PHOENIX CONTACT | P-SELECTA | RUNZER |